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kubeadm: Stop using/supporting the v1alpha1 Config API #65776

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commented Jul 3, 2018

What this PR does / why we need it:
In v1.10 and earlier, kubeadm only had the v1alpha1 API.
In v1.11, kubeadm could read v1alpha1 configs, but only write v1alpha2 configs
In v1.12, kubeadm can read v1alpha2 configs, but only write v1alpha3 or v1beta1 configs.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Part of #65628
ref: kubernetes/kubeadm#911

Special notes for your reviewer:

Release note:

NONE

@kubernetes/sig-cluster-lifecycle-pr-reviews
/assign @timothysc

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/lgtm

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commented Jul 3, 2018

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: luxas, timothysc

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luxas added some commits Jul 3, 2018

@luxas luxas force-pushed the luxas:kubeadm_stop_using_v1alpha1 branch from 42abd44 to 39df1e2 Jul 3, 2018

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commented Jul 3, 2018

New changes are detected. LGTM label has been removed.

@k8s-ci-robot k8s-ci-robot removed the lgtm label Jul 3, 2018

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commented Jul 3, 2018

Fixed a simple unit test failure

@luxas luxas added the lgtm label Jul 3, 2018

@luxas luxas force-pushed the luxas:kubeadm_stop_using_v1alpha1 branch from 39df1e2 to 5d3b755 Jul 3, 2018

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commented Jul 3, 2018

New changes are detected. LGTM label has been removed.

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commented Jul 3, 2018

Fixed a small verify failure

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commented Jul 4, 2018

Automatic merge from submit-queue (batch tested with PRs 65776, 64896). If you want to cherry-pick this change to another branch, please follow the instructions here.

@k8s-github-robot k8s-github-robot merged commit 28768f1 into kubernetes:master Jul 4, 2018

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k8s-github-robot pushed a commit that referenced this pull request Jul 4, 2018

Kubernetes Submit Queue
Merge pull request #65628 from luxas/kubeadm_remove_v1alpha1
Automatic merge from submit-queue (batch tested with PRs 65628, 65573). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubeadm: Remove the v1alpha1 API 

**What this PR does / why we need it**:
In v1.10 and earlier, kubeadm only had the `v1alpha1` API.
In v1.11, kubeadm could read `v1alpha1` configs, but only write `v1alpha2` configs
In v1.12, kubeadm can read `v1alpha2` configs, but only write `v1alpha3` or `v1beta1` configs.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on: #65776

**Special notes for your reviewer**:

**Release note**:

```release-note
[action required] kubeadm: The `v1alpha1` config API has been removed.
Please convert your `v1alpha1` configuration files to `v1alpha2` using the
`kubeadm config migrate` command of kubeadm v1.11.x
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

k8s-github-robot pushed a commit that referenced this pull request Jul 5, 2018

Kubernetes Submit Queue
Merge pull request #65629 from luxas/kubeadm_add_v1alpha3
Automatic merge from submit-queue (batch tested with PRs 64593, 65117, 65629, 65827, 65686). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubeadm: Add a `v1alpha3` API

**What this PR does / why we need it**:
Adds a (now duplicated) v1alpha3 API. Equal to `v1alpha2` now, but will be changed later.
Hopefully we'll graduate this to `v1beta1` during the v1.12 cycle.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] #65776
 - [x] #65628

**Special notes for your reviewer**:

These commits should be reviewed:
 - `Add a duplicated v1alpha3 API`: A pure directory copy of the `v1alpha2` folder, only changed the package name in the Go files
 - `Register the v1alpha3 API in the scheme, and update the roundtrip API tests`, started registering the new API and using it internally
 - `Automated bump from v1alpha2 references to v1alpha3`: Replaced all v1alpha2 references with v1alpha3

**Release note**:

```release-note
kubeadm: Add a `v1alpha3` API.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

k8s-github-robot pushed a commit that referenced this pull request Jul 5, 2018

Kubernetes Submit Queue
Merge pull request #65631 from luxas/kubeadm_support_yaml_documents
Automatic merge from submit-queue (batch tested with PRs 65822, 65834, 65859, 65631). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubeadm: Add support for reading multiple YAML documents

**What this PR does / why we need it**:
In preparation for splitting the kubelet and kube-proxy componentconfigs out of the MasterConfiguration API struct, add support for reading multiple YAML documents

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] #65776
 - [x] #65628
 - [x] #65629

**Special notes for your reviewer**:
Please only review the `Refactor a bit of the config YAML loading code, and support loading multiple YAML documents` commit

**Release note**:

```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

luxas pushed a commit to luxas/kubernetes that referenced this pull request Jul 8, 2018

Kubernetes Submit Queue
Merge pull request kubernetes#65940 from luxas/kubeadm_internal_compo…
…nentconfigs

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubeadm: Start using internal versions for ComponentConfigs in the internal API

**What this PR does / why we need it**:
This PR changes kubeadm to store the internal API versions of the ComponentConfig APIs, in order to in the future be able to read multiple external versions with conversion. It also moves all the ComponentConfigs to a common struct instead of splitting them out in many. This makes it possible to more easily host more ComponentConfigs in the future. In v1alpha3, the ComponentConfigs will later be removed from the external version of the API (see: kubernetes#65787), but for this PR no changes to the external API are made.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] kubernetes#65776
 - [x] kubernetes#65628
 - [x] kubernetes#65629
 - [x] kubernetes#65631

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

k8s-github-robot pushed a commit that referenced this pull request Jul 8, 2018

Kubernetes Submit Queue
Merge pull request #65787 from luxas/kubeadm_split_componentconfig_fr…
…om_api

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubeadm: Use separate YAML docs for the kubelet and kube-proxy ComponentConfigs

**What this PR does / why we need it**:
This PR makes kubeadm load the ComponentConfig for the kubelet and kube-proxy from separate YAML documents in the `kubeadm init` config file. This is backwards-compatible with `v1alpha2`. The ComponentConfigs are stored internally in the internal kubeadm `MasterConfiguration` struct, but when marshalling the componentconfigs are written as separate YAML documents.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] #65776
 - [x] #65628
 - [x] #65629
 - [x] #65631
 - [x] #65940

**Special notes for your reviewer**:
Only review the last five commits please. (The last commit is purely autogenerated, so can be skipped)

**Release note**:

```release-note
kubeadm: Use separate YAML documents for the kubelet and kube-proxy ComponentConfigs
```
@kubernetes/sig-cluster-lifecycle-pr-reviews 
/assign @timothysc

k8s-github-robot pushed a commit that referenced this pull request Jul 9, 2018

Kubernetes Submit Queue
Merge pull request #65945 from luxas/kubeadm_initconfig
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Rename `MasterConfiguration` to `InitConfiguration` in the kubeadm v1alpha3 Config API

**What this PR does / why we need it**:
In v1alpha3, we have made the design decision that `MasterConfiguration` will be renamed `InitConfiguration`. This PR implements that change.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] #65776
 - [x] #65628
 - [x] #65629
 - [x] #65631
 - [x] #65940
 - [x] #65787

**Special notes for your reviewer**:
Most of the code is autogenerated, using just find and replace.
Please only review commits:
 - `Automated rename from MasterConfiguration to InitConfiguration`
 - `Rename MasterConfiguration to InitConfiguration in v1alpha3, but support both names for this release of kubeadm`

**Release note**:

```release-note
[action required] The `MasterConfiguration` kind in the kubeadm v1alpha2 API has been renamed `InitConfiguration` in v1alpha3
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

@neolit123 neolit123 referenced this pull request Jul 9, 2018

Closed

Tracking issue for "Config to v1beta1" #963

19 of 28 tasks complete

cdkbot pushed a commit to juju-solutions/kubernetes that referenced this pull request Jul 14, 2018

Kubernetes Submit Queue
Merge pull request kubernetes#65951 from luxas/kubeadm_joinconfig
Automatic merge from submit-queue (batch tested with PRs 66138, 65951). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Rename `NodeConfiguration` to `JoinConfiguration` in the kubeadm v1alpha3 Config API

**What this PR does / why we need it**:
In v1alpha3, we have made the design decision that `NodeConfiguration` will be renamed `JoinConfiguration`. This PR implements that change. 

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] kubernetes#65776
 - [x] kubernetes#65628
 - [x] kubernetes#65629
 - [x] kubernetes#65631
 - [x] kubernetes#65940
 - [x] kubernetes#65787
 - [ ] kubernetes#65945

**Special notes for your reviewer**:

Please only review the last three commits here.

**Release note**:

```release-note
[action required] The `NodeConfiguration` kind in the kubeadm v1alpha2 API has been renamed `JoinConfiguration` in v1alpha3
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

k8s-github-robot pushed a commit that referenced this pull request Jul 17, 2018

Kubernetes Submit Queue
Merge pull request #65952 from luxas/kubeadm_init_join_exclusive
Automatic merge from submit-queue (batch tested with PRs 63877, 64559, 65952). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

kubeadm: Make the kubeadm config kinds mutually exclusive

**What this PR does / why we need it**:
Right now it would be possible to feed kubeadm with a YAML document with all the four different Config kinds kubeadm at HEAD supports, `MasterConfiguration`, `InitConfiguration`, `JoinConfiguration` and `NodeConfiguration`. This PR makes them mutually exclusive so that kubeadm can know how to handle the config file properly.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/kubeadm#911
Depends on:
 - [x] #65776
 - [x] #65628
 - [x] #65629
 - [x] #65631
 - [x] #65940
 - [x] #65787
 - [x] #65945
 - [x] #65951

**Special notes for your reviewer**:
Please only review the last commit

**Release note**:

```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews

k8s-github-robot pushed a commit that referenced this pull request Aug 22, 2018

Kubernetes Submit Queue
Merge pull request #67441 from rosti/kubeadm_clusterconfig
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

[reissue] kubeadm: Split out ClusterConfiguration from InitConfiguration

As @luxas is not able to take care of #66219, I am reissuing the same change here. There are a few minor things added by me:

- The original PR is rebased on latest master.
- Some broken tests were fixed.
- Some TODOs were added.
- Run update-bazel and update-gofmt

Below is the text of the original PR by Lucas.

-----

**What this PR does / why we need it:**

Splits MasterConfiguration to InitConfiguration and ClusterConfiguration as outlined in the kubeadm Config KEP. InitConfiguration holds init-only information, and ClusterConfiguration holds cluster-wide information. In the internal representation InitConfiguration wraps ClusterConfiguration as a field, but in serialized format they're different YAML documents.

**Which issue(s) this PR fixes** (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
ref: kubernetes/kubeadm#911
Depends on:

- [X] #65776
- [X] #65628
- [X] #65629
- [X] #65631
- [X] #65940
- [X] #65787
- [X] #65945
- [X] #65951
- [X] #65952

**Special notes for your reviewer:**

**Release note**:
```release-note
kubeadm: InitConfiguration now consists of two structs: InitConfiguration and ClusterConfiguration
```

@kubernetes/sig-cluster-lifecycle-pr-reviews
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